Sectional overhead door roller assembly

E - Fixed Constructions – 05 – D

Patent

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Details

E05D 15/38 (2006.01) B60J 5/14 (2006.01) E05D 15/24 (2006.01) E06B 3/48 (2006.01) E06B 3/50 (2006.01)

Patent

CA 2479088

A roller assembly (10) to engage a track (100) having opposing generally parallel and transversely spaced first and second track portions (111, 112), the roller assembly including: a frame (11) including a shaped hole (15) and a slot (17) spaced from said shaped hole (15); a first roller (12b) mounted to the frame hole (15) for rotation about an axis which is to be generally transverse of the track; a second roller (12a) mounted in the frame slot (17) for rotation about an axis which is to be generally transverse of the track; wherein the frame slot (17) extends in a direction having a component generally normal to said axes and said track portions (111, 112) when in use, and the second roller (12a) is movably mounted in the frame slot (17) for movement in said direction; and said assembly further includes a biasing member (18) mounted on the frame (11) and operatively associated with said second roller (12a) to urge said second roller (12a) in said direction so that in use the rollers (12a, 12b) are urged into contact with said track portions (111, 112)

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